{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "\n",
    "def bias(df,N):\n",
    "    df[f'bias_{N}'] = (df['close'] - df['close'].rolling(N, min_periods=1).mean())/ df['close'].rolling(N, min_periods=1).mean()*100\n",
    "    df[f'bias_{N}'] = round(df[f'bias_{N}'], 2)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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